Tu den

Also known as bubble hole, den pliers mastoid one of four big hole shape.Refers to holes slightly elevated, holes on the top of the mountain the ground are born, and the ground.Liao yu "drain cat was four like dangchang" : "tu is dizzy between micro bubble.Tu, namely the bubble the sky, so the old Yang, such as turning screw, such as overburden scoop in all dizzy, such as breast, such as blisters, almost see have, far see is bad."Shanhaijing summarized "was buried by the so-called" shape such as kettle, its 岺 can rich "said this.Tu tu hole can be divided into four categories, large and sudden is positive, with double tu, three processes of change.Tu holes must seek and the light round, like quiet.For different bug out, is for the solitary obsidian, buried of the destruction.Must be dragon guard arch yi, with polyethylene gas reservoir, wind mountain is cream with the wind, it is advisable to ground for water.If the should be ruthless to the den, longitudinal hole shape such as goldfish jade seal, also for fake flower.Sun Bogang "national treasure" cloud: "tu hole without the tiger embrace, teng without wind sweep, storage or into the air pocket, were come up against such as treasure."